Q: What is the negative version of the number 31,515,380?
A: -31,515,380
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 31,515,378 | 31,515,379 | 31,515,381 | 31,515,382 |
| -31,515,378 | -31,515,379 | -31,515,381 | -31,515,382 |